The hazards and side effects of Cistanchis are not clear. It should be noted that Cistanchis is contraindicated in people with yin deficiency (deficiency of yin and essence in the body, resulting in hyperactivity of deficiency fire) and loose stools (loose, unformed feces) and diarrhea, and is contraindicated in people with constipation due to hot constipation. Cistanchis has the effect of tonifying the kidney and helping yang, moistening the intestines and relaxing the bowels. It is used in treating kidney yang deficiency (lack of yang energy in kidney), deficiency of essence and blood, impotence and premature ejaculation, infertility with cold uterus, lumbar and knee pain, impotence and weakness, constipation with dryness of intestines and fluid. The adverse reactions and contraindications of Cistanchis are not known, drug interactions may occur if used concurrently with other drugs, please consult your physician or pharmacist for details. If you need to use Cistanchis, it must be used under professional medical supervision.